THE BIRDS OF THAILAND 79 



Anthracoceros convexus (Temminck) 



Buceros convexus Temminck, in Temminck and Laugier, Nouveau 

 recueil de planches coloriees d'oiseaux, [livr. 89,] vol. 2, Feb- 

 ruary 1832, pi. 530 and text (Sumatra, Java, Borneo). 

 Range: Reported from the southern peninsular provinces (Song- 

 khla, Pattani, Yala). 



Genus BUCEROS Linnaeus 



Buceros rhinoceros rhinoceros Linnaeus 



[Buceros] Rhinoceros Linnaeus, Systema naturae, ed. 10, tom. 1, 

 1758, p. 104 ("India," error; type locality corrected to Malacca, 

 by Hartert, Nov. Zool., vol. 9, 1902, p. 543, "because Bontius' 

 figure, in spite of the locality Java, represents in my opinion 

 the form inhabiting Malacca and Sumatra, and not the Java 

 form, and so do certainly the figures of WUloughby, Adrovandus 

 [sic], and others"). 

 Range: Reported only from the southern peninsular provinces 



(Songkhla) . 



Buceros bicornis homrai Hodgson 



Buceros Homrdi Hodgson, Journ. Asiatic Soc. Bengal, vol. 1, No. 



6, June 1832, p. 251 (no locality; type specimens from "the 



lesser hills overlooking the plains of India, from the Ganges to 



the Bramapiitr," fide Hodgson, Asiatic Researches, vol. 18, 



pt. 2, 1833, p. 169). 



Range: Evergreen forests of the northern and eastern plateaus, the 



southeastern provinces, and of the western and peninsular provinces 



south to the Isthmus of Kra. 



Buceros bicornis bicornis Linnaeus 



[Buceros] bicornis Linnaeus, Systema naturae, ed. 10, tom. 1, 

 1758, p. 104 ("China," error; type locality corrected to Su- 

 matra, by Chasen, Handlist of Malaysian Birds, 1935, p. 105, 

 footnote 1). 

 Range: Evergreen forests of the peninsular provinces from the 

 Isthmus of Kra to the extreme South. 



Genus RHINOPLAX Gloger 



Rhinoplax vigil (J. R. Forster) 



[Buceros] vigil J. R. Forster, Indische zoologie, 1781, p. 40 (no 

 locality given = Sumatra, ex Edwards). 

 Range: Reported from the peninsular provinces (Trang, Songkhla). 



